CN211076049U - Cross arm assembly and vehicle - Google Patents
Cross arm assembly and vehicle Download PDFInfo
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- CN211076049U CN211076049U CN201921181614.9U CN201921181614U CN211076049U CN 211076049 U CN211076049 U CN 211076049U CN 201921181614 U CN201921181614 U CN 201921181614U CN 211076049 U CN211076049 U CN 211076049U
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- cross arm
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Abstract
The utility model provides a xarm subassembly and vehicle. The cross arm assembly comprises a first side plate, a second side plate, a first top plate, a second top plate and a bottom plate; the first side plate and the second side plate are fixedly connected to two sides of the bottom plate; the first top plate is fixedly connected with the first side plate, the second side plate is fixedly connected with the second top plate, and the first top plate and the second top plate are separated by a first distance; the two ends of the first side plate are respectively connected with the wheels and the auxiliary frame, and the two ends of the second side plate are respectively connected with the wheels and the auxiliary frame. In this way, the first top plate and the second top plate are spaced apart by the first distance, and a recess is formed between the first top plate and the second top plate to penetrate through the top end of the crossbar assembly, so that the crossbar assembly is not of a hermetic structure. The cross section of the cross arm component perpendicular to the length direction is an incomplete cross section, and the modulus of the bending-resistant cross section is correspondingly reduced, so that when a wheel connected with one ends of the first side plate and the second side plate is subjected to abnormal transverse external force, the cross arm component is bent and cannot break.
Description
Technical Field
The utility model relates to an automobile steering technical field, in particular to xarm subassembly and vehicle.
Background
To ensure stability of vehicle handling, trailing arms are typically provided in front or rear suspension systems to control longitudinal wheel movement while cooperating with one or more cross arms to control lateral wheel movement.
Currently, the cross arm mainly comprises a round tube-shaped cross arm and a T-shaped cross arm. However, the round tubular cross arm has a round tube main body and the T-shaped cross arm is an integral casting, so that the strength of the two cross arms is high, and the buckling limit of the whole cross arm body is high. When the wheels are subjected to abnormal transverse external force, the cross arm is not bent but directly broken under the condition of a higher buckling limit, and the driving safety is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a xarm subassembly and vehicle to solve among the prior art xarm under the higher bucking limit condition, can not take place the bending but direct fracture leads to the problem that the security of riding reduces.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
A cross arm assembly for connecting an auxiliary frame and a wheel, characterized in that the cross arm assembly comprises a first side plate, a second side plate, a first top plate, a second top plate and a bottom plate;
The first side plate and the second side plate are fixedly connected to two sides of the bottom plate, the first side plate and the second side plate are arranged oppositely, and the first top plate, the second top plate and the bottom plate are arranged oppositely;
The first top plate is fixedly connected with the first side plate, the second side plate is fixedly connected with the second top plate, and a first distance is formed between the first top plate and the second top plate;
The two ends of the first side plate are respectively connected with the wheel and the auxiliary frame, and the two ends of the second side plate are respectively connected with the wheel and the auxiliary frame.
Furthermore, a first notch is formed in the first top plate, a second notch is formed in the second top plate, and the first notch and the second notch are aligned.
Furthermore, the distance between the center of the first notch and the two ends of the first top plate is equal, and the distance between the center of the second notch and the two ends of the second top plate is equal.
Further, the first distance is less than or equal to one-half of the distance between the first side plate and the second side plate.
Further, the cross arm assembly also comprises a first bushing 2;
The first lining 2 comprises a first inner sleeve and a first outer sleeve, the first inner sleeve is fixed on the inner wall of the first outer sleeve, the first inner sleeve is an elastic body, and the thickness of the first inner sleeve is smaller than a first value;
The wheel comprises a first side plate, a second side plate, a first outer sleeve, a second inner sleeve and a wheel, wherein one end of the first side plate is provided with a first through hole, one end of the second side plate is provided with a second through hole, the first through hole is aligned with the second through hole, the first outer sleeve is fixed in the first through hole and the second through hole, and the first inner sleeve is connected with the wheel.
Furthermore, the inner diameter of the middle part of the first inner sleeve is larger than the inner diameters of the two ends of the first inner sleeve.
Further, the cross arm assembly also comprises a second bushing 3;
The second lining 3 comprises a second inner sleeve and a second outer sleeve, the second inner sleeve is fixed on the inner wall of the second outer sleeve, the second inner sleeve is an elastic body, and the thickness of the second inner sleeve is smaller than a first value;
The other end of the first side plate is provided with a third through hole, the other end of the second side plate is provided with a fourth through hole, the third through hole is aligned with the fourth through hole, the second outer sleeve is fixed in the third through hole and the fourth through hole, and the second inner sleeve is connected with the auxiliary frame.
Furthermore, the inner diameter of the middle part of the second inner sleeve is larger than the inner diameters of the two ends of the second inner sleeve.
Furthermore, the inner wall of the second bush 3 is provided with a leakage hole, and the leakage hole is communicated with a cavity formed by the first side plate and the second side plate.
Compared with the prior art, xarm subassembly have following advantage:
The cross arm component of the utility model comprises a first side plate, a second side plate, a first top plate, a second top plate and a bottom plate; the first side plate and the second side plate are fixedly connected to two sides of the bottom plate, the first side plate and the second side plate are arranged oppositely, and the first top plate, the second top plate and the bottom plate are arranged oppositely; the first top plate is fixedly connected with the first side plate, the second side plate is fixedly connected with the second top plate, and the first top plate and the second top plate are separated by a first distance; the two ends of the first side plate are respectively connected with the wheels and the auxiliary frame, and the two ends of the second side plate are respectively connected with the wheels and the auxiliary frame. In this way, the first top plate and the second top plate are spaced apart by the first distance, and a recess is formed between the first top plate and the second top plate to penetrate through the top end of the crossbar assembly, so that the crossbar assembly is not of a hermetic structure. The cross section of the cross arm component perpendicular to the length direction is an incomplete cross section, the bending resistance cross section modulus is correspondingly reduced, and therefore when a wheel connected with one end of each of the first side plate and the second side plate is subjected to abnormal transverse external force, normal stress is generated on the complete plane of the first side plate 11, the second side plate 12 and the bottom plate 15, and the stress is cut at a groove penetrating through the top end of the cross arm component 1. Due to shear stress, the cross section bends, thereby reducing the buckling strength of the cross arm assembly 1 compared to round and square tubular cross arms. Because the reduction of buckling strength, consequently, when the wheel that first curb plate 11 and second curb plate 12 one end are connected received improper horizontal external force, the xarm subassembly 1 will take place to buckle earlier, and can directly not take place to split, and the wheel of being connected with first curb plate and second curb plate one end will not break away from with the automobile body, can support the vehicle and slowly travel a section distance again, improves the security of traveling.
Another object of the present invention is to provide a vehicle, to solve the problem that the prior art middle cross arm assembly is not bent but directly breaks to cause the reduction of driving safety under the condition of high buckling limit.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
A vehicle comprising a cross arm assembly as described in any of the embodiments above.
The vehicle and the cross arm assembly have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
Fig. 1 is a schematic cross-sectional view of a cross arm assembly according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a cross arm assembly according to an embodiment of the present invention;
FIG. 3 is a prior art stress simulation analysis of the buckling load of the crossbar assembly;
Fig. 4 is a force simulation analysis diagram of the buckling load of the cross arm assembly according to the embodiment of the present invention;
Fig. 5 is another schematic cross-sectional view of a cross arm assembly according to an embodiment of the present invention.
Description of reference numerals:
1-crossbar assembly, 2-first bush 2, 3-second bush, 11-first side plate, 12-second side plate, 13-first top plate, 14-second top plate, 15-bottom plate, 16-first gap, 17-second gap, 21-first inner sleeve, 22-first outer sleeve, 31-second inner sleeve, 32-second outer sleeve.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Fig. 1 is a schematic structural diagram of a cross arm assembly 1 according to an embodiment of the present invention. As shown in fig. 1, the cross arm assembly 1 is used for connecting a subframe and a wheel, and the cross arm assembly 1 comprises a first side plate 11, a second side plate 12, a first top plate 13, a second top plate 14 and a bottom plate 15; the first side plate 11 and the second side plate 12 are fixedly connected to two sides of the bottom plate 15, the first side plate 11 and the second side plate 12 are oppositely arranged, and the first top plate 13, the second top plate 14 and the bottom plate 15 are oppositely arranged; the first top plate 13 is fixedly connected with the first side plate 11, the second side plate 12 is fixedly connected with the second top plate 14, and the first top plate 13 and the second top plate 14 are separated by a first distance; the two ends of the first side plate 11 are respectively connected with a wheel and an auxiliary frame, and the two ends of the second side plate 12 are respectively connected with the wheel and the auxiliary frame.
The first side plate 11, the second side plate 12, the first top plate 13, the second top plate 14 and the bottom plate 15 are all in a strip shape, the first side plate 11, the second side plate 12, the first top plate 13, the second top plate 14 and the bottom plate 15 can be steel with certain compressive strength, bending strength and tensile strength, and the yield strength of the steel can be 310 MPa-345 MPa, such as 310MPa, 320MPa, 330MPa, 340MPa and the like. First curb plate 11, second curb plate 12, first roof 13, second roof 14 and bottom plate 15 can welded forming, also can be by the shaping of single-layer board bending, the embodiment of the utility model provides a do not limit to this.
Secondly, first curb plate 11 and second curb plate 12 fixed connection are in the both sides of bottom plate 15, and distance between first curb plate 11 and the second curb plate 12, the width of bottom plate 15 all confirm according to the holistic rigidity of xarm subassembly 1, the embodiment of the utility model provides a do not limit to this. Connecting holes can be formed in the two ends of the first side plate 11, connecting holes can be formed in the two ends of the second side plate 12, the connecting holes formed in the first side plate 11 are aligned with the connecting holes formed in the second side plate 12, so that the two ends of the first side plate 11 can be connected with a wheel and an auxiliary frame respectively, and the two ends of the second side plate 12 can be connected with the wheel and the auxiliary frame respectively.
Compared with the prior art, xarm subassembly 1 at least have following advantage:
The cross arm component 1 of the utility model comprises a first side plate 11, a second side plate 12, a first top plate 13, a second top plate 14 and a bottom plate 15; the first side plate 11 and the second side plate 12 are fixedly connected to two sides of the bottom plate 15, the first side plate 11 and the second side plate 12 are oppositely arranged, and the first top plate 13, the second top plate 14 and the bottom plate 15 are oppositely arranged; the first top plate 13 is fixedly connected with the first side plate 11, the second side plate 12 is fixedly connected with the second top plate 14, and the first top plate 13 and the second top plate 14 are separated by a first distance; the two ends of the first side plate 11 are respectively connected with a wheel and an auxiliary frame, and the two ends of the second side plate 12 are respectively connected with the wheel and the auxiliary frame. As described above, since the first top plate 13 and the second top plate 14 are spaced apart by the first distance, a recess penetrating the tip of the crossbar assembly 1 is formed between the first top plate 13 and the second top plate 14, and therefore, the crossbar assembly 1 is not of a hermetic structure. The cross section of the cross arm component 1 perpendicular to the length direction is an incomplete cross section, and the bending resistance cross section modulus is correspondingly reduced, so when a wheel connected with one end of the first side plate 11 and one end of the second side plate 12 are subjected to abnormal transverse external force, normal stress is generated on the complete plane of the first side plate 11, the second side plate 12 and the bottom plate 15, and the stress is cut at a groove penetrating through the top end of the cross arm component 1. Due to shear stress, the cross section bends, thereby reducing the buckling strength of the cross arm assembly 1 compared to round and square tubular cross arms. Because the reduction of buckling strength, consequently, when the wheel that first curb plate 11 and second curb plate 12 one end are connected received improper horizontal external force, xarm subassembly 1 will take place to buckle earlier, and can directly not take place to split, and the wheel of being connected with first curb plate 11 and second curb plate 12 one end will not break away from with the automobile body, can support the vehicle and slowly travel a section distance again, improves the security of traveling.
Further, a first notch 16 is formed in the first top plate 13, a second notch 17 is formed in the second top plate 14, and the first notch 16 is aligned with the second notch 17.
The first notch 16 may be circular or square. Because the first top plate 13 and the second top plate 14 are provided with the notches aligned with each other, when the cross arm assembly 1 is bent by a transverse force, the bending moment of the cross arm assembly changes with the position of the bending-resistant section, namely, the bending-resistant section is at the first notch 16 and the second notch 17, so that when a wheel connected with one end of the first side plate 11 and one end of the second side plate 12 are subjected to an abnormal transverse external force, the wheel is subjected to bending deformation at the first notch 16 and the second notch 17, and further, the uncertainty of the bending deformation position of the cross arm assembly 1 is reduced.
Further, the centers of the first notches 16 are equidistant from both ends of the first top plate 13, and the centers of the second notches 17 are equidistant from both ends of the second top plate 14.
It should be noted that, because the distance from the center of the first notch 16 to the two ends of the first top plate 13 is equal, and the distance from the center of the second notch 17 to the two ends of the second top plate 14 is equal, when the wheel connected to one end of the first side plate 11 and the second side plate 12 is subjected to an abnormal lateral external force, the middle of the first top plate 13 and the middle of the second top plate 14 are subjected to bending deformation, so as to avoid the position of the cross arm assembly 1 where the bending deformation occurs being close to the wheel or the position of the sub frame being deformed, and further avoid structural damage to the wheel or the sub frame due to the bending deformation.
Further, as shown in fig. 5, the first distance a is less than or equal to one-half of the distance B between the first side plate 11 and the second side plate 12.
It should be noted that, because the first distance a is less than or equal to one half of the distance B between the first side plate 11 and the second side plate 12, when the cross arm assembly 1 is subjected to a longitudinal external force, the external force does not directly act on the first side plate 11 and the second side plate 12, and acts on the first top plate 13 and the second top plate 14, so as to increase the whole stressed area of the cross arm assembly 1, and to some extent, improve the rigidity of the cross arm assembly 1.
Further, the cross arm assembly 1 further comprises a first bushing 2, the first bushing 2 comprises a first inner sleeve 21 and a first outer sleeve 22, the first inner sleeve 21 is fixed on the inner wall of the first outer sleeve 22, wherein the first inner sleeve 21 is an elastic body, and the thickness of the first inner sleeve 21 is smaller than a first value; a first through hole is formed in one end of the first side plate 11, a second through hole is formed in one end of the second side plate 12, the first through hole is aligned with the second through hole, the first outer sleeve 22 is fixed in the first through hole and the second through hole, and the first inner sleeve 21 is connected with the wheel.
The first bush 2 is cylindrical. The aperture of first through-hole and the aperture of second through-hole are confirmed according to the external diameter of first bush 2, the embodiment of the utility model provides a do not limit to this. The first inner sleeve 21 included in the first bushing 2 may be an elastic body such as rubber, polyurethane, etc., and the elastic body should satisfy a certain mechanical strength, which may include an expansion strength, an elongation, a tear strength, etc., and the elastic body should also be easy to process and form, so that the first inner sleeve 21 may provide a certain buffer for the traverse arm assembly 1 during the lateral movement, thereby improving the stability of the vehicle. It should be further noted that the first value may be any one of 2mm, 1.5mm, and 1mm, so that the radial static stiffness of the first bushing 2 may be greater than or equal to 30000N/mm, and the axial static stiffness may be greater than or equal to 3000N/mm, further improving the overall stiffness of the cross arm assembly 1, and improving the stability of vehicle handling.
Further, the inner diameter of the middle portion of the first inner sleeve 21 is larger than the inner diameters of the two ends of the first inner sleeve 21.
It should be noted that, because the inner diameter of the middle portion of the first inner sleeve 21 is larger than the inner diameters of the two ends of the first inner sleeve 21, a spherical cavity is formed in the middle portion of the first inner sleeve 21, when the transverse motion of the cross arm assembly 1 causes the first inner sleeve 21 to be compressed, the stress of the first inner sleeve 21 can be dispersed along the radial direction of the spherical cavity, so that the direction of the resultant force is consistent with the transverse motion direction of the cross arm assembly 1, and the reduction of the vehicle operation stability caused by the uneven local stress of the first inner sleeve 21 is avoided.
Further, the cross arm assembly 1 further comprises a second bushing 3; the second bushing 3 comprises a second inner sleeve 31 and a second outer sleeve 32, the second inner sleeve 31 is fixed on the inner wall of the second outer sleeve 32, wherein the second inner sleeve 31 is an elastic body, and the thickness of the second inner sleeve 31 is smaller than a first value; the other end of the first side plate 11 is provided with a third through hole, the other end of the second side plate 12 is provided with a fourth through hole, the third through hole is aligned with the fourth through hole, the second inner sleeve 31 is fixed in the third through hole and the fourth through hole, and the second inner sleeve 31 is connected with the auxiliary frame.
The second bush 3 is cylindrical. The aperture of third through-hole and the aperture of fourth through-hole are confirmed according to the external diameter of second bush 3, the embodiment of the utility model provides a do not restrict to this. The second inner sleeve 31 included in the second bushing 3 may be made of rubber, polyurethane or other elastomer, and the elastomer should satisfy a certain mechanical strength, which may include a tensile strength, an elongation, a tear strength, etc., and the elastomer should also be easy to machine, so that the second inner sleeve 31 may provide a certain buffer for the traverse arm assembly 1 during the lateral movement, thereby improving the stability of the vehicle. It should be further noted that the first value may be any one of 2mm, 1.5mm, and 1mm, so that the radial static stiffness of the second bushing 3 may be greater than or equal to 30000N/mm, and the axial static stiffness may be greater than or equal to 3000N/mm, further improving the overall stiffness of the cross arm assembly 1, and improving the stability of vehicle handling.
Further, the inner diameter of the middle portion of the second inner sleeve 31 is larger than the inner diameters of the two ends of the second inner sleeve 31.
It should be noted that, because the inner diameter of the middle portion of the second inner sleeve 31 is larger than the inner diameters of the two ends of the second inner sleeve 31, a spherical cavity is formed in the middle portion of the second inner sleeve 31, and when the transverse movement of the crossbar assembly 1 causes the second inner sleeve 31 to be compressed, the stress of the second inner sleeve 31 can be dispersed along the radial direction of the spherical cavity, so that the direction of the resultant force is consistent with the transverse movement direction of the crossbar assembly 1, and the reduction of the steering stability of the vehicle due to the local uneven stress on the second inner sleeve 31 is avoided.
Furthermore, the inner wall of the second bush 3 is provided with a leakage hole, and the leakage hole is communicated with a cavity formed by the first side plate 11 and the second side plate 12.
It should be noted that, because wheel and sub vehicle frame are connected respectively to the both ends of first curb plate 11, wheel and sub vehicle frame are connected respectively to the both ends of second curb plate 12, and after the assembly was accomplished, the height that highly is less than wheel one end apart from ground of the one end of sub vehicle frame, consequently, set up the weeping hole on the inner wall of second bush 3 for the cavity that weeping hole and first curb plate 11 and second curb plate 12 are constituteed switches on, and like this, the inside ponding of xarm subassembly 1 can be followed the weeping hole and discharged, avoids xarm subassembly 1 to take place the corrosion.
A vehicle comprising a cross arm assembly 1 as described in any of the embodiments above.
Compared with the prior art, the utility model discloses a be used for xarm subassembly 1 still has following advantage:
The first top plate 13 of the cross arm component 1 is provided with a first notch 16, the second top plate 14 is provided with a second notch 17, the first notch 16 is aligned with the second notch 17, the distance from the center of the first notch 16 to the two ends of the first top plate 13 is equal, and the distance from the center of the second notch 17 to the two ends of the second top plate 14 is equal. Therefore, when the wheel connected to one end of the first side plate 11 and the second side plate 12 is subjected to an abnormal lateral external force, the bending deformation occurs in the middle of the first top plate 13 and the middle of the second top plate 14, so that the deformation of the cross arm assembly 1 at the position where the bending deformation occurs near the wheel or the subframe is avoided, and the structural damage to the wheel or the subframe due to the bending deformation is further avoided. In addition, because wheel and sub vehicle frame are connected respectively to the both ends of first curb plate 11, wheel and sub vehicle frame are connected respectively to the both ends of second curb plate 12, and after the assembly was accomplished, the height that highly is less than wheel one end apart from ground of one end of sub vehicle frame, consequently, set up the weeping hole on the inner wall of second bush 3, make weeping hole and first curb plate 11 and second curb plate 12 constitute the cavity and switch on, like this, the inside ponding of xarm can be followed the weeping hole and discharged, avoid taking place the corrosion with the metalwork of 3 one side assembly of second bush.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cross arm assembly for connecting an auxiliary frame and a wheel, characterized in that the cross arm assembly comprises a first side plate, a second side plate, a first top plate, a second top plate and a bottom plate;
The first side plate and the second side plate are fixedly connected to two sides of the bottom plate, the first side plate and the second side plate are arranged oppositely, and the first top plate, the second top plate and the bottom plate are arranged oppositely;
The first top plate is fixedly connected with the first side plate, the second side plate is fixedly connected with the second top plate, and a first distance is formed between the first top plate and the second top plate;
The two ends of the first side plate are respectively connected with the wheel and the auxiliary frame, and the two ends of the second side plate are respectively connected with the wheel and the auxiliary frame.
2. The cross arm assembly of claim 1 wherein the first top plate defines a first notch and the second top plate defines a second notch, the first notch and the second notch being aligned.
3. The cross arm assembly of claim 2 wherein the center of the first notch is equidistant from the ends of the first top plate and the center of the second notch is equidistant from the ends of the second top plate.
4. The cross arm assembly of claim 1 wherein the first distance is less than or equal to one-half of the distance between the first and second side plates.
5. The cross arm assembly of claim 1 further comprising a first bushing;
The first lining comprises a first inner sleeve and a first outer sleeve, the first inner sleeve is fixed on the inner wall of the first outer sleeve, the first inner sleeve is an elastic body, and the thickness of the first inner sleeve is smaller than a first value;
The wheel comprises a first side plate, a second side plate, a first outer sleeve, a second inner sleeve and a wheel, wherein one end of the first side plate is provided with a first through hole, one end of the second side plate is provided with a second through hole, the first through hole is aligned with the second through hole, the first outer sleeve is fixed in the first through hole and the second through hole, and the first inner sleeve is connected with the wheel.
6. The cross-arm assembly of claim 5 wherein the inner diameter of the middle portion of the first inner sleeve is greater than the inner diameter of the ends of the first inner sleeve.
7. The cross arm assembly of claim 1 further comprising a second bushing;
The second lining comprises a second inner sleeve and a second outer sleeve, the second inner sleeve is fixed on the inner wall of the second outer sleeve, the second inner sleeve is an elastic body, and the thickness of the second inner sleeve is smaller than a first value;
The other end of the first side plate is provided with a third through hole, the other end of the second side plate is provided with a fourth through hole, the third through hole is aligned with the fourth through hole, the second outer sleeve is fixed in the third through hole and the fourth through hole, and the second inner sleeve is connected with the auxiliary frame.
8. The cross-arm assembly of claim 7 wherein the inner diameter of the middle portion of the second inner sleeve is greater than the inner diameter of the ends of the second inner sleeve.
9. The cross arm assembly of claim 7 wherein the second bushing has a weep hole formed in an inner wall thereof, the weep hole communicating with the cavity formed by the first side plate and the second side plate.
10. A vehicle comprising a cross arm assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181614.9U CN211076049U (en) | 2019-07-25 | 2019-07-25 | Cross arm assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181614.9U CN211076049U (en) | 2019-07-25 | 2019-07-25 | Cross arm assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211076049U true CN211076049U (en) | 2020-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921181614.9U Active CN211076049U (en) | 2019-07-25 | 2019-07-25 | Cross arm assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211076049U (en) |
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2019
- 2019-07-25 CN CN201921181614.9U patent/CN211076049U/en active Active
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